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Navigation arrangement based on coordinate fields

A technology of coordinate domain and coordinate system, applied in the field of navigation devices based on coordinate domain

Inactive Publication Date: 2005-07-20
NXP BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantage of this navigation device is that considerable computing power is necessary to calculate the optimal route in each case

Method used

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  • Navigation arrangement based on coordinate fields
  • Navigation arrangement based on coordinate fields
  • Navigation arrangement based on coordinate fields

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0025] For example, a navigation device according to the invention may be provided in the form of a small processor within a cellular telephone or other mobile device, which is not shown in more detail in the figures.

[0026] The purpose of the navigation device is to guide the user to a predetermined destination which he can choose. For this purpose, the search area in which the intended target is located is divided into coordinate domains by means of a linear coordinate system. The current position of the device, ie the user, is then detected by means of an automatic positioning system which, within a given time interval, determines the current coordinate domain in which the device is located.

[0027] Such a positioning system may for example be a system operating in accordance with the Global Positioning System (GPS).

[0028] figure 1 shows an example of a partial search area. figure 1 Indicates that the search area is divided into multiple coordinate domains each hav...

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Abstract

An arrangement for navigation to predetermined destinations within a search area, which is divided up by means of a linear system of coordinates into coordinate fields, wherein, by means of automatic positioning at predetermined time intervals, that coordinate field is determined in which the arrangement is situated, wherein a database is provided which contains for each coordinate field a data record with a description of the current coordinate field and a description of the next coordinate field to be located in order to reach the destination, wherein the arrangement displays from the database to a user, who has input one of the predetermined destinations into the arrangement, the description of each new coordinate field as it is reached and the description of the next coordinate field provided for reaching the destination.

Description

technical field [0001] The invention relates to a device for navigating a predetermined target within a search area. Background technique [0002] With known navigation devices, the calculation of the path to the object is carried out continuously from the position determined eg by continuous positioning. For this, the possible predetermined paths stored in the database need to be used. As the device moves, an updated calculation of the best path to the target is continuously performed. The main disadvantage of such navigation devices is that considerable computing power is necessary to calculate the optimal route in each case. This is particularly disadvantageous in mobile devices, for example if the device is used in the smallest possible device and is not provided in a vehicle. Contents of the invention [0003] It is an object of the present invention to provide a navigation device that uses a minimum amount of computation for processing that can be advantageously u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B29/00G01C21/00G01C21/34G08G1/005G08G1/0968G09B29/10
CPCG01C21/3632G08G1/096883
Inventor D·斯塔贝瑙
Owner NXP BV